1. United States Army Special Operations Command, Fort Bragg, North Carolina, USA.
2. CU Anschutz Center for COMBAT Research, Department of Emergency Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA.
3. Matthew Gfeller Center, Department of Exercise and Sport Science, Department of Health Sciences, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
4. Human Movement Science Curriculum, Department of Health Sciences, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
5. Mental Illness Research, Education, and Clinical Center (MIRECC), VA Puget Sound Health Care System (VA Puget Sound), Seattle, Washington, USA.
6. Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA.